Malicious PDF — malware analysis report

Static analysis result for SHA-256 72b2c0121be30140…

MALICIOUS

PDF

84.9 KB Created: 2022-04-10 14:24:33 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-28
MD5: 127dfa24cd0474742ee69fed1ae6ee4e SHA-1: 2b18493bdefea51f1b7ebdca112ddd989425c464 SHA-256: 72b2c0121be30140ca953f47cd04adf49c581bb0ad37f41cd8eaaef43af3435f
194 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9991

Heuristics 7

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • Embedded JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://lazav.co.za/YmrXLWy8?keyword=cuantos%20metros%20mide%20un%20decimetro PDF link annotation
    • https://yomadesign.com/userfiles/Proj_Name/files/42027729729.pdfIn PDF document text
    • https://situzofunuk.weebly.com/uploads/1/3/5/3/135305293/wutasene_bafez_mejifusumefi_lulirowupuze.pdfIn PDF document text
    • http://drapa-technika.cz/UserFiles/File/sexiziwus.pdfIn PDF document text
    • http://firstcuwire.com/file_media/file_image/file/32649032908.pdfIn PDF document text
    • http://holflorstudio1.cz/upload/files/bevajelugidarewikelop.pdfIn PDF document text
    • http://harmony-stone.info/js/kcfinder/upload/files/depale.pdfIn PDF document text
    • https://fawitazekivaji.weebly.com/uploads/1/3/1/4/131454143/baletewisebebemixe.pdfIn PDF document text
    • https://bajevopado.weebly.com/uploads/1/3/4/4/134456845/a89f651eb6e.pdfIn PDF document text
    • http://studiosantese.eu/userfiles/files/nizowuxazuvupigobafo.pdfIn PDF document text
    • http://kite-surf.sk/files/38822900162.pdfIn PDF document text
    • http://lepetitjaunais.com/userfiles/file/81175900801.pdfIn PDF document text
    • http://gardens-spa.com/user_pict/file/6591371787.pdfIn PDF document text
    • http://korvet-sp.ru/userfiles/file/wivikijomofalelogowibo.pdfIn PDF document text
    • http://olech-rzeszow.pl/userfiles/file/84607063142.pdfIn PDF document text
    • https://rigafefabapamum.weebly.com/uploads/1/3/4/4/134486683/retakukume_nuwobuvib_nuduxebiboluna_vizaduliwus.pdfIn PDF document text
    • https://gipuwefamesogol.weebly.com/uploads/1/3/1/4/131453323/6835903.pdfIn PDF document text
    • https://rosatavur.weebly.com/uploads/1/3/2/6/132695818/6008404c1759.pdfIn PDF document text
    • https://votewisuzub.weebly.com/uploads/1/3/4/6/134605747/godomopuzotiri.pdfIn PDF document text
    • https://bp-con-esh.com/kcfinder/upload/files/37794531664.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e1f9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE1F9 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0000fa10.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFA10 10616 bytes
SHA-256: 3dc5dc52da1e5c655938925eb89abae955c1d362e60e07d8a140b329de16f66a
font_02_sfnt_off00011258.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11258 19344 bytes
SHA-256: 3a382d648dcb0f1b42d98ca66589d8f8c16f22c7aaffd7557b239eef4166ffc3

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